_id Tramo de edad año valor 1 12 a 14 2013 10.199999999999999289457264239899814128875732421875 2 15 a 19 2013 35.7999999999999971578290569595992565155029296875 3 20 a 24 2013 28.300000000000000710542735760100185871124267578125 4 25 a 29 2013 25.699999999999999289457264239899814128875732421875